Final answer:
The correct vocabulary word to complete the quote is 'prophecy'. A prophecy is a statement about what will happen in the future, often believed to be communicated by a divine source. Hence the correct answer is option C
Step-by-step explanation:
The correct vocabulary word to complete the quote from To Kill a Mockingbird is prophecy. The quote is saying that Miss Maudie's face likened such an occurrence unto an Old Testament prophecy. A prophecy is a statement about what will happen in the future, often believed to be communicated by a divine source. In this context, Miss Maudie's face is being compared to the seriousness and gravity of an Old Testament prophecy.
Hence the correct answer is option C